Question: When did Angela Merkel complete her doctoral thesis at the German Academy of Sciences at Berlin?
Paraphrase: On what date did Angela Merkel complete her doctoral thesis at the German Academy of Sciences at Berlin?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q567 p:P69 ?s . ?s ps:P69 wd:Q49738 . ?s pq:P582 ?value1 . ?s pq:P1026 ?value2 }